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A023442
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Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-12).
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1
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0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 232, 375, 605, 977, 1577, 2546, 4110, 6635, 10711, 17291, 27913, 45060, 72741, 117426, 189562, 306011, 493996, 797461, 1287347, 2078173, 3354809, 5415691, 8742587
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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REFERENCES
| J. H. E. Cohn, Letter to the editor, Fib. Quart. 2 (1964), 108.
V. E. Hoggatt, Jr. and D. A. Lind, The dying rabbit problem, Fib. Quart. 7 (1969), 482-487.
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FORMULA
| G.f. x/ ( (x-1)*(x^11+x^10+x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2-1) ). - R. J. Mathar, Nov 29 2011
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CROSSREFS
| See A000045 for the Fibonacci numbers.
Sequence in context: A105471 A189722 A023441 * A000044 A107358 A185357
Adjacent sequences: A023439 A023440 A023441 * A023443 A023444 A023445
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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